248 lines
8.3 KiB
Plaintext
248 lines
8.3 KiB
Plaintext
--
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-- POINT
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--
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CREATE TABLE POINT_TBL(f1 point);
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INSERT INTO POINT_TBL(f1) VALUES ('(0.0,0.0)');
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INSERT INTO POINT_TBL(f1) VALUES ('(-10.0,0.0)');
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INSERT INTO POINT_TBL(f1) VALUES ('(-3.0,4.0)');
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INSERT INTO POINT_TBL(f1) VALUES ('(5.1, 34.5)');
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INSERT INTO POINT_TBL(f1) VALUES ('(-5.0,-12.0)');
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-- bad format points
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INSERT INTO POINT_TBL(f1) VALUES ('asdfasdf');
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ERROR: invalid input syntax for type point: "asdfasdf"
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LINE 1: INSERT INTO POINT_TBL(f1) VALUES ('asdfasdf');
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^
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INSERT INTO POINT_TBL(f1) VALUES ('10.0,10.0');
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INSERT INTO POINT_TBL(f1) VALUES ('(10.0 10.0)');
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ERROR: invalid input syntax for type point: "(10.0 10.0)"
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LINE 1: INSERT INTO POINT_TBL(f1) VALUES ('(10.0 10.0)');
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^
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INSERT INTO POINT_TBL(f1) VALUES ('(10.0,10.0');
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ERROR: invalid input syntax for type point: "(10.0,10.0"
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LINE 1: INSERT INTO POINT_TBL(f1) VALUES ('(10.0,10.0');
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^
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SELECT '' AS six, * FROM POINT_TBL;
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six | f1
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-----+------------
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| (0,0)
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| (-10,0)
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| (-3,4)
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| (5.1,34.5)
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| (-5,-12)
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| (10,10)
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(6 rows)
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-- left of
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SELECT '' AS three, p.* FROM POINT_TBL p WHERE p.f1 << '(0.0, 0.0)';
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three | f1
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-------+----------
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| (-10,0)
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| (-3,4)
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| (-5,-12)
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(3 rows)
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-- right of
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SELECT '' AS three, p.* FROM POINT_TBL p WHERE '(0.0,0.0)' >> p.f1;
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three | f1
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-------+----------
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| (-10,0)
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| (-3,4)
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| (-5,-12)
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(3 rows)
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-- above
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SELECT '' AS one, p.* FROM POINT_TBL p WHERE '(0.0,0.0)' >^ p.f1;
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one | f1
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-----+----------
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| (-5,-12)
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(1 row)
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-- below
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SELECT '' AS one, p.* FROM POINT_TBL p WHERE p.f1 <^ '(0.0, 0.0)';
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one | f1
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-----+----------
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| (-5,-12)
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(1 row)
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-- equal
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SELECT '' AS one, p.* FROM POINT_TBL p WHERE p.f1 ~= '(5.1, 34.5)';
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one | f1
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-----+------------
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| (5.1,34.5)
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(1 row)
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-- point in box
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SELECT '' AS three, p.* FROM POINT_TBL p
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WHERE p.f1 <@ box '(0,0,100,100)';
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three | f1
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-------+------------
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| (0,0)
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| (5.1,34.5)
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| (10,10)
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(3 rows)
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SELECT '' AS three, p.* FROM POINT_TBL p
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WHERE box '(0,0,100,100)' @> p.f1;
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three | f1
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-------+------------
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| (0,0)
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| (5.1,34.5)
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| (10,10)
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(3 rows)
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SELECT '' AS three, p.* FROM POINT_TBL p
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WHERE not p.f1 <@ box '(0,0,100,100)';
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three | f1
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-------+----------
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| (-10,0)
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| (-3,4)
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| (-5,-12)
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(3 rows)
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SELECT '' AS two, p.* FROM POINT_TBL p
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WHERE p.f1 <@ path '[(0,0),(-10,0),(-10,10)]';
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two | f1
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-----+---------
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| (0,0)
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| (-10,0)
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(2 rows)
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SELECT '' AS three, p.* FROM POINT_TBL p
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WHERE not box '(0,0,100,100)' @> p.f1;
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three | f1
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-------+----------
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| (-10,0)
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| (-3,4)
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| (-5,-12)
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(3 rows)
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SELECT '' AS six, p.f1, p.f1 <-> point '(0,0)' AS dist
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FROM POINT_TBL p
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ORDER BY dist;
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six | f1 | dist
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-----+------------+------------------
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| (0,0) | 0
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| (-3,4) | 5
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| (-10,0) | 10
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| (-5,-12) | 13
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| (10,10) | 14.142135623731
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| (5.1,34.5) | 34.8749193547455
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(6 rows)
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SELECT '' AS thirtysix, p1.f1 AS point1, p2.f1 AS point2, p1.f1 <-> p2.f1 AS dist
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FROM POINT_TBL p1, POINT_TBL p2
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ORDER BY dist, p1.f1[0], p2.f1[0];
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thirtysix | point1 | point2 | dist
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-----------+------------+------------+------------------
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| (-10,0) | (-10,0) | 0
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| (-5,-12) | (-5,-12) | 0
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| (-3,4) | (-3,4) | 0
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| (0,0) | (0,0) | 0
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| (5.1,34.5) | (5.1,34.5) | 0
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| (10,10) | (10,10) | 0
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| (-3,4) | (0,0) | 5
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| (0,0) | (-3,4) | 5
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| (-10,0) | (-3,4) | 8.06225774829855
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| (-3,4) | (-10,0) | 8.06225774829855
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| (-10,0) | (0,0) | 10
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| (0,0) | (-10,0) | 10
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| (-10,0) | (-5,-12) | 13
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| (-5,-12) | (-10,0) | 13
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| (-5,-12) | (0,0) | 13
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| (0,0) | (-5,-12) | 13
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| (0,0) | (10,10) | 14.142135623731
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| (10,10) | (0,0) | 14.142135623731
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| (-3,4) | (10,10) | 14.3178210632764
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| (10,10) | (-3,4) | 14.3178210632764
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| (-5,-12) | (-3,4) | 16.1245154965971
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| (-3,4) | (-5,-12) | 16.1245154965971
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| (-10,0) | (10,10) | 22.3606797749979
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| (10,10) | (-10,0) | 22.3606797749979
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| (5.1,34.5) | (10,10) | 24.9851956166046
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| (10,10) | (5.1,34.5) | 24.9851956166046
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| (-5,-12) | (10,10) | 26.6270539113887
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| (10,10) | (-5,-12) | 26.6270539113887
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| (-3,4) | (5.1,34.5) | 31.5572495632937
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| (5.1,34.5) | (-3,4) | 31.5572495632937
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| (0,0) | (5.1,34.5) | 34.8749193547455
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| (5.1,34.5) | (0,0) | 34.8749193547455
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| (-10,0) | (5.1,34.5) | 37.6597928831267
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| (5.1,34.5) | (-10,0) | 37.6597928831267
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| (-5,-12) | (5.1,34.5) | 47.5842410888311
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| (5.1,34.5) | (-5,-12) | 47.5842410888311
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(36 rows)
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SELECT '' AS thirty, p1.f1 AS point1, p2.f1 AS point2
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FROM POINT_TBL p1, POINT_TBL p2
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WHERE (p1.f1 <-> p2.f1) > 3;
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thirty | point1 | point2
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--------+------------+------------
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| (0,0) | (-10,0)
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| (0,0) | (-3,4)
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| (0,0) | (5.1,34.5)
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| (0,0) | (-5,-12)
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| (0,0) | (10,10)
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| (-10,0) | (0,0)
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| (-10,0) | (-3,4)
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| (-10,0) | (5.1,34.5)
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| (-10,0) | (-5,-12)
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| (-10,0) | (10,10)
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| (-3,4) | (0,0)
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| (-3,4) | (-10,0)
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| (-3,4) | (5.1,34.5)
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| (-3,4) | (-5,-12)
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| (-3,4) | (10,10)
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| (5.1,34.5) | (0,0)
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| (5.1,34.5) | (-10,0)
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| (5.1,34.5) | (-3,4)
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| (5.1,34.5) | (-5,-12)
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| (5.1,34.5) | (10,10)
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| (-5,-12) | (0,0)
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| (-5,-12) | (-10,0)
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| (-5,-12) | (-3,4)
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| (-5,-12) | (5.1,34.5)
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| (-5,-12) | (10,10)
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| (10,10) | (0,0)
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| (10,10) | (-10,0)
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| (10,10) | (-3,4)
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| (10,10) | (5.1,34.5)
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| (10,10) | (-5,-12)
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(30 rows)
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-- put distance result into output to allow sorting with GEQ optimizer - tgl 97/05/10
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SELECT '' AS fifteen, p1.f1 AS point1, p2.f1 AS point2, (p1.f1 <-> p2.f1) AS distance
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FROM POINT_TBL p1, POINT_TBL p2
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WHERE (p1.f1 <-> p2.f1) > 3 and p1.f1 << p2.f1
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ORDER BY distance, p1.f1[0], p2.f1[0];
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fifteen | point1 | point2 | distance
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---------+------------+------------+------------------
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| (-3,4) | (0,0) | 5
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| (-10,0) | (-3,4) | 8.06225774829855
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| (-10,0) | (0,0) | 10
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| (-10,0) | (-5,-12) | 13
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| (-5,-12) | (0,0) | 13
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| (0,0) | (10,10) | 14.142135623731
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| (-3,4) | (10,10) | 14.3178210632764
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| (-5,-12) | (-3,4) | 16.1245154965971
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| (-10,0) | (10,10) | 22.3606797749979
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| (5.1,34.5) | (10,10) | 24.9851956166046
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| (-5,-12) | (10,10) | 26.6270539113887
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| (-3,4) | (5.1,34.5) | 31.5572495632937
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| (0,0) | (5.1,34.5) | 34.8749193547455
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| (-10,0) | (5.1,34.5) | 37.6597928831267
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| (-5,-12) | (5.1,34.5) | 47.5842410888311
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(15 rows)
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-- put distance result into output to allow sorting with GEQ optimizer - tgl 97/05/10
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SELECT '' AS three, p1.f1 AS point1, p2.f1 AS point2, (p1.f1 <-> p2.f1) AS distance
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FROM POINT_TBL p1, POINT_TBL p2
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WHERE (p1.f1 <-> p2.f1) > 3 and p1.f1 << p2.f1 and p1.f1 >^ p2.f1
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ORDER BY distance;
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three | point1 | point2 | distance
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-------+------------+----------+------------------
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| (-3,4) | (0,0) | 5
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| (-10,0) | (-5,-12) | 13
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| (5.1,34.5) | (10,10) | 24.9851956166046
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(3 rows)
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